Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual é a nacionalidade de Barry Duench?
 ###Tabelas: CREATE TABLE university_location_date_established (university_location_date_established_id AUTO_INCREMENT PRIMARY KEY, University VARCHAR, Location VARCHAR, Established INT, Endowment as of 2008 VARCHAR, Campus Area (acres) INT, Kiplinger's Top 100 Values VARCHAR, Enrollment as of 2008 INT) CREATE TABLE mps_1832–1885 (mps_1832–1885_id AUTO_INCREMENT PRIMARY KEY, Election VARCHAR, First member VARCHAR, First party VARCHAR, Second member VARCHAR, Second party VARCHAR) CREATE TABLE isc_tracks (isc_tracks_id AUTO_INCREMENT PRIMARY KEY, Track Name VARCHAR, Location VARCHAR, Length VARCHAR, Seating INT, Year Opened INT, Year Acquired [A ] INT) CREATE TABLE japan_football_league_jfl_1999–2013 (japan_football_league_jfl_1999–2013_id AUTO_INCREMENT PRIMARY KEY, Season INT, Winner VARCHAR, Runner-up VARCHAR, Third place VARCHAR, Fourth place VARCHAR) CREATE TABLE draft_picks (draft_picks_id AUTO_INCREMENT PRIMARY KEY, Round INT, Player VARCHAR, Position VARCHAR, Nationality VARCHAR, College/Junior/Club Team (League) VARCHAR)  
SELECT Nationality FROM draft_picks WHERE Player = barry duench